问题

ou receive the letter the next day—No. Somehow, it was three weeks ________ I receivedit.

A:since
B:before
C:that
D:when

正确答案是：

同类题型

I feel sure that ____ qualification, ability and experience, you are abundantly suited to the position we have in mind

下列各句句式按照括号内的要求转换后意思不变的一项是（）

Look, the palace is so great.—Yeah, itnearly800 years ago.

I commanded that heat once.

Until recently historians assumed that calendars ________ with the advent of agriculture.[ ]